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Showing 1 to 3 of 3 for “"Saltpeter"”.
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Normalization of Bethe-Saltpeter amplitudes
Two new derivations of the normalization condition for Bethe-Salpeter (bound state) amplitudes are presented. The first derivation is based on charge conservation. The normalization condition obtained is independent of the total charge of the system and, in principle, could be applied to a neutral …
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The nitrate deposits of rock crevices in the Upper Mississippi Valley
… Le Sueur's 1700 report of caves containing saltpeter (potassium nitrate) along the Minnesota shore of Lake Pepin, this study located what are thought to be the original caves and revealed a hitherto unsuspected widespread district of cave nitrate deposits in the Upper Mississippi Valley …
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Assessment of Indiana bat reproductive condition, recapture trends, and temperatures of artificial roosts in Kentucky
… in 4 Kentucky hibernacula, two of which (Bat and Saltpeter Caves) ranked within the 10 most populous Indiana bat hibernacula in the 2019 range-wide population survey. Links were also revealed between a hibernaculum in Indiana and two capture sites, Bernheim Arboretum and Research Forest (BARF) and …